MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 d8454e6022d16c264f078c2a0b925dc70d08edd251dc6e86f1af4b24afd46bde. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.
Database Entry
OskiStealer
Vendor detections: 13
| SHA256 hash: | d8454e6022d16c264f078c2a0b925dc70d08edd251dc6e86f1af4b24afd46bde |
|---|---|
| SHA3-384 hash: | d0e969e736ae9f984109ce26d504404bf8027830d4790d32365dcbebe2bb00882328eda99db4912d2b05e1bc79d37c3b |
| SHA1 hash: | e1e13c0573045d8e48c6e95fb7e6feff324d3836 |
| MD5 hash: | c38fb20d6d21162311412e98ce480a7e |
| humanhash: | artist-victor-hotel-zulu |
| File name: | c38fb20d6d21162311412e98ce480a7e.exe |
| Download: | download sample |
| Signature | OskiStealer |
| File size: | 306'548 bytes |
| First seen: | 2022-03-01 09:21:27 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla) |
| ssdeep | 6144:rGiQ+/Zdn4WFwxVjhq9esAd4XEYv3EUSs+CjHIZZY+2eZhQP8:s+/H4/q9evd6Jv3EPs+6I7Yeu8 |
| Threatray | 4'084 similar samples on MalwareBazaar |
| TLSH | T11764224725E6843BE3E31C7261B662FEF3F5561891A85C0747617F3EAB358CA23094CA |
| File icon (PE): |  |
| dhash icon | b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla) |
| Reporter |  abuse_ch |
| Tags: | exe OskiStealer |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| http://tel9e.xyz/6.jpg | https://threatfox.abuse.ch/ioc/391557/ |
| http://tel9e.xyz/1.jpg | https://threatfox.abuse.ch/ioc/391558/ |
| http://tel9e.xyz/2.jpg | https://threatfox.abuse.ch/ioc/391559/ |
| http://tel9e.xyz/3.jpg | https://threatfox.abuse.ch/ioc/391560/ |
| http://tel9e.xyz/4.jpg | https://threatfox.abuse.ch/ioc/391561/ |
| http://tel9e.xyz/5.jpg | https://threatfox.abuse.ch/ioc/391562/ |
| http://tel9e.xyz/7.jpg | https://threatfox.abuse.ch/ioc/391563/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
184
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
vbc.exe
Verdict:
Suspicious activity
Analysis date:
2022-03-01 14:43:22 UTC
Tags:
installer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Vidar
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
DNS request
Creating a file
Reading critical registry keys
Delayed writing of the file
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Searching for the window
Unauthorized injection to a recently created process
Stealing user critical data
Launching a tool to kill processes
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
control.exe formbook overlay packed shell32.dll
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Oski Stealer
Verdict:
Malicious
Result
Threat name:
Oski Stealer Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Downloads files with wrong headers with respect to MIME Content-Type
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Posts data to a JPG file (protocol mismatch)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Yara detected Oski Stealer
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-03-01 09:22:11 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
19 of 28 (67.86%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Similar samples:
+ 4'074 additional samples on MalwareBazaar
Result
Malware family:
oski
Score:
10/10
Tags:
family:oski discovery infostealer spyware stealer
Behaviour
Checks processor information in registry
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Oski
Malware Config
C2 Extraction:
http://tel9e.xyz
Unpacked files
SH256 hash:
3ef3a3f34ea57c7b96dbbf6484d447c5391b53d2d9cb89579f687794d899cee2
MD5 hash:
3914df7b55623736fd64ad969c8cd0b8
SHA1 hash:
855080052812e56c44e213e665074c576b3f7cec
Detections:
win_oski_g0
win_oski_auto
SH256 hash:
0de53592ff09aeb4ce2747b8f8b17031401699a312e393f34f165d1c4c84bfb5
MD5 hash:
9b57dec6f5e498c019246233d457e500
SHA1 hash:
7c439c495c068131f4bfba76f514a1d130037c21
SH256 hash:
d8454e6022d16c264f078c2a0b925dc70d08edd251dc6e86f1af4b24afd46bde
MD5 hash:
c38fb20d6d21162311412e98ce480a7e
SHA1 hash:
e1e13c0573045d8e48c6e95fb7e6feff324d3836
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.28
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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